night map - SERP Analysis

https://hub.arcgis.com/maps/esri::earth-at-night/about

https://blue-marble.de/nightlights

https://earthobservatory.nasa.gov/features/NightLights

https://www.timeanddate.com/worldclock/sunearth.html

https://stellarium-web.org/

https://www.fws.gov/media/artificial-light-map-united-states-nasa-earth-observatoryjpg

https://www.nightearth.com/%3Flang%3Den

https://www.thenightsky.com/

https://www.maps.com/mapping-earths-nighttime-lights/